chore(changlog): add changelog file for CII (#1314)

CHANGELOG.md

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+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+**Table of Contents**  *generated with [DocToc](https://github.com/thlorenz/doctoc)*
+
+- [v1.0.0-beta.3](#v100-beta3)
+- [v1.0.0-beta.2](#v100-beta2)
+- [v1.0.0-beta.1](#v100-beta1)
+- [v1.0.0-beta](#v100-beta)
+- [v1.0.0-alpha.4](#v100-alpha4)
+- [v1.0.0-alpha.3](#v100-alpha3)
+- [v0.9.7](#v097)
+- [v0.9.7-beta](#v097-beta)
+- [v0.9.7-alpha](#v097-alpha)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+
+
+## v1.0.0-beta.3
+
+**Bug Fix:**
+
+- Resync of wfr (#1276)
+- Overall status judgement when multiple stage errors (#1281)
+- Close websocket when workflow run running completed (#1282)
+- Eof of stage logs FolderReader (#1286)
+- Workflow trigger controller should only process cron type trigger (#1307)
+- Execution context of workflow trigger expire when cluster changed (#1306)
+
+**Feature:**
+
+- Support start and stop pvc watcher (#1290)
+
+## v1.0.0-beta.2
+
+**Bug Fix:**
+
+- Overall status wrong when stage status is cancelled (#1273)
+
+## v1.0.0-beta.1
+
+**Features:**
+
+- Add execution contexts API (#1266)
+
+**Bug Fix:**
+
+- Image tag wrong when workflow triggered by bitbucket release (#1262)
+- GitHub tag trigger problem (#1269)
+
+**Chore:**
+
+- Enable PVC watcher (#1263)
+
+## v1.0.0-beta
+
+**Features:**
+
+- Init pull request status when wfr start (#1245)
+
+**Bug Fix:**
+
+- Send notification only once (#1247)
+- Fix git clone from bitbucket failed (#1249)
+- Add target branch for list pull requests api (#1252)
+- Defer exit to collect init containers' logs (#1251)
+
+## v1.0.0-alpha.4
+
+**Features:**
+
+- Support dry-run for creating integration (#1199)
+- Make dind bip configurable (#1200)
+- Make the resource requirement of GC pod configurable (#1203)
+
+**Bug fix:**
+
+- Github release event webhook trigger workflow twice (#1201)
+- Update gradle image version to 5.5.1 for stage template (#1204)
+
+## v1.0.0-alpha.3
+
+**Bug fix:**
+
+- Fix can not get sonar scan results (#1181)
+- Fix a low level bug for GitLab v3 (#1187)
+- Skip ssl verify for GitLab (#1190 #1195)
+- Clarify error code (#1193)
+- Fix can not pull bitbucket code with with personal access token (#1197)
+- Fix label value for wft event repo is too long (#1198)
+
+**Performance:**
+
+- Improve git resolver performance with --depth (#1177)
+
+## v0.9.7
+
+**Bug Fix:**
+
+- Send notification only once (#1248) 
+- Git clone from bitbucket failed (#1257)
+- Defer exit to collect init containers' logs (#1258)
+- Add target branch for list pull requests api (#1259)
+- Image tag wrong when workflow triggered by bitbucket release (#1264)
+- GitHub tag trigger problem (#1270) 
+
+**Feature:**
+
+- Add execution contexts api (#1267)
+
+## v0.9.7-beta
+
+**Features:**
+
+- **Support collect init container logs**
+- Support list pull requests of scm repo
+
+**Bug Fix:**
+
+- Can not list working pods
+- Websocket interrupted occasionally
+- Workflow run status check logic
+- Bitbucket pr webhook problem
+- Can not list gitlab branch whose project name contains dot
+- GitLab version detect problem
+- Validate bitbucket token
+- GitLab tag deletion should not trigger workflow
+
+## v0.9.7-alpha
+
+**Bug fix:**
+
+- Skip ssl verify for gitlab(#1196)