* servicehub、providers and some common codes

* health check for provider

* update(gitignore): add some ignore files in git ignore (#3)

- add macos files
- add vim files
- add vscode files
Co-authored-by: LiDan <ld269464@alibaba-inc.com>

* health、i18n、http-endpoints providers (#2)

* optimize health provider

* i18n support get text with default value

* http-endpoints providers

* rename RegisterEndpoint to RegisterEndpoints

* support autowired, add redis provider, add some examples (#5)

* feat(github): update github pr and issue template (#6)
Co-authored-by: Muzry <ld269464@alibaba-inc.com>

* fix(typo): typo ISSUE_TEMPLATE (#7)
Co-authored-by: Muzry <ld269464@alibaba-inc.com>

* add providers: zookeeper、kafka、elasticsearch、etcd、etcd-mutex … (#8)

* add providers: zookeeper、kafka、elasticsearch、etcd、etcd-mutex、zk-master-election

* fix example

* add kubernetes provider

* update comment

* rename variable name

* feat(Owners): update owners file (#9)
Co-authored-by: Muzry <ld269464@alibaba-inc.com>

* read config from some way、unit test example、rename something、update R… (#11)

* read config from some way、unit test example、rename something、update README.md

* fix bug

* Feature/safe exit (#12)

* update example

* typo、safe exit

* Add ci and it workflow (#13)

* Add ci action

* Add run go mod

* Add run go mod

* Fix lint

* Add .golangci.yml

* Add go mod tidy

* Fix goimports

* Fix goimports

* Rename some step names

* 修复kafka编译错误 (#15)

* Feature/update kafka version (#16)

* 修复kafka编译错误

* update go kafka version

* update go kafka version

* Add code coverage badge (#17)

* Add code coverage badge

* Update golangci-lint to v1.38

* set modules-download-mode: readonly

* set modules-download-mode: vendor

* set modules-download-mode: mod

* simple way to define provider (#18)

* simple way to define provider

* add usage test case

* Add project description in README_zh.md

* add hub test

* fix test

* update comment

* update README.md format

* support unified api of service for grpc and http, and auto generate client package. (#19)

* support unified api of service for grpc and http, and auto generate client package.
details: support optional dependencies、add default hub listener、add protoc-gen-go-* tools、docker image of tools、update README.md.

* add examples and update README.md

* update protoc-gen-go-client

* add grpc-client provider 、update example、and fix some bug

* fix http response Accept Encode

* go mod tidy

* find go package in protoc.sh

* Add Copyright header to all go files (#22)

* Add Copyright header to all go files

* replace Terminus to Terminus, Inc

* support custom pb out path (#24)

* custom pb output path

* update example

* expose http options (#26)

* add compress and test (#25)
Co-authored-by: liuhaoyang <liuhaoyang1221@hotmail.com>

* Add license-check action (#27)

* Add license-check action

* ignore client & pg.go file

* Fix check ignore

* Fix check ignore

* update readme (#30)

* update readme

* fix readme

* fix readme

* fix readme

* Feature/cassandra provider (#29)

* cassandra provider

* add license

* fix license

* add example

* cassandra provider

* provider cassandra

* fix lint

* add readme

* fix tab

* fix client-go version (#28)
Co-authored-by: tianxiang.liu <liutianxiang.ltx@alibaba-inc.com>
Co-authored-by: RecallSong <13607438+recallsong@users.noreply.github.com>

* upload servicehub image (#34)

* fix provider template (#32)

* fix provider template

* change fmt to log

* fix print log

* add CLI tool, move tools codes (#35)

* add CLI tool,
move tools/protoc-gen-* to /tools/protoc/protoc-gen-*

* update README.md

* exclude example ci

* remove example test case

* upgrade go version to 1.16 (#36)

* Feature/fix find go package (#37)

* fix find go package path bug

* upload go.mod

* update README.md (#38)

* update README.md

* update gitignore

* fix package path

* auto find dependencies with struct tag and type

* httpserver support googleapis (#39)

* find service

* 1、support googleapis style in httpserver
2、gohub support exec plugin
3、join GOPATH in gohub protoc
4、optional dependency in struct tag

* fix gohub find include bug,
fix message list bug in protoc-gen-go-form,
add http path parser.go

* add path test

* add boolTag test

* change test function name

* change test case

* update test

* add path test

* add test case

* change path error

* update test code

* connection block at bootstrap (#40)

* modify split in ParseLanguageCode (#42)

* modify ParseLanguageCode split

* modify ParseLanguageCode split

* Feature/add hub test case (#43)

* add test case, change Dependencies interface

* update README.md

* add expvar provider

* update PULL REUQEST TEMPLATE.md (#44)

* fix proto-gen-go-form、http support application/vnd.x+json (#45)

* adjust proto-gen-go-provider (#46)

* adjust proto-gen-go-provider

* 1、modcom support  RegisterHubListener
2、add Internationalizable interface
Co-authored-by: skoo <marckywu@gmail.com>
Co-authored-by: Dan Li <lidan@caicloud.io>
Co-authored-by: LiDan <ld269464@alibaba-inc.com>
Co-authored-by: liuhaoyang <liuhaoyang1221@hotmail.com>
Co-authored-by: panjiayao <44628544+Counterflowwind@users.noreply.github.com>
Co-authored-by: Eren <erenming233@gmail.com>
Co-authored-by: Asher Liu <root@viper.run>
Co-authored-by: tianxiang.liu <liutianxiang.ltx@alibaba-inc.com>
Co-authored-by: Effet <nesuadark@gmail.com>
Co-authored-by: Muzry <muzrry@gmail.com>