feat: sync gitter room to node (casibase#519)

* fix: update count field not atomic

* test: add sync topic count field test

* chore: remove redundant select queries

* feat: sync gitter to node

* feat: add go test & debug gitter.go

* debug

* feat: configure gitter room in fe

* debug

* chore: gitter sync limit time and frequence

* format

* debug

* debug & fix test

fix: the 404 page in the footer (casibase#517)

* fix: 404 page in footer

* Update ReplyBox.js

* Update AdminFrontConf.js

* Update frontConf.go

* Update router.go

* Update Footer.js

* Update FooterRenderBox.js

Co-authored-by: Yang Luo <[email protected]>

fix: add href for reply page (casibase#513)

fix: add renderImage and renderLink for SingleReplyBox.js (casibase#511)

fix: use the history.push instead of link to reply page (casibase#509)

* fix: some reply has null tags

* fix: use the history.push instead of link to reply page

* fix: use the history.push instead of link to reply page

fix: some reply has null tags (casibase#508)

fix: chrome render page gets stuck (casibase#507)

* fix: chrome render page gets stuck

* Update ssr_pool.go

Co-authored-by: Yang Luo <[email protected]>

feat: improve the tdk of reply (casibase#506)

* feat: improve the tdk of reply

* Update ReplyBox.js

* Update NodeBox.js

* Update SingleReplyBox.js

Co-authored-by: Yang Luo <[email protected]>

fix: video is broken by sanitize (casibase#501)

fix: update count field not atomic (casibase#496)

* fix: update count field not atomic

* test: add sync topic count field test

* chore: remove redundant select queries

* Update topic_test.go

Co-authored-by: Yang Luo <[email protected]>