Delete old server and improve project configuration

Changes:
- Delete old server files from project root
    - /app.ts
    - /jamiDaemon.ts
    - /routes/
    - /rollup.config.js
    - /jamiServerConfig.json
    - /*.env
- Remake tsconfig.json for client, common, and server
    - Delete root /tsconfig.json
    - Make subproject tsconfig.json files standalone
    - Improve consistency between tsconfig.json files
- Move Cypress and Sentry tests to client/
- Update README.md, Dockerfile and .dockerignore
    - Remove extra symlink
    - Remove mentions and links to old server (e.g. ports)
- Remove boilerplate project in test/, which has nothing to do with tests
- Update package.json to remove scripts for old server
- Update .gitignores to be consistent with their folder contents

GitLab: #109
Change-Id: Ie575113288c973115c3236e030b02d1a54e3510c
diff --git a/.hooks/pre-push b/.hooks/pre-push
index 99fc09b..0a14d55 100755
--- a/.hooks/pre-push
+++ b/.hooks/pre-push
@@ -17,11 +17,11 @@
   fi
 }
 
-echo "Checking for EsLint errors and warnings..."
+echo "Checking for ESLint errors and warnings..."
 confirm "npm run lint --workspaces -- --max-warnings 0"
 
 if [ $? -eq 1 ]; then
-  echo "Checking for EsLint errors..."
+  echo "Checking for ESLint errors..."
   npm run lint --workspaces -- --quiet
 fi