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/.gitignore b/.gitignore
index 8efb376..eadeace 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,19 +1,8 @@
 node_modules/
 dist/
-tsconfig.tsbuildinfo
 
-jaas-client/package-lock.json
-jaas-client/node_modules/
-jaas-client/dist/
+*.tsbuildinfo
 
-.env*
-dring.node
-jamid.node
-
-.idea/
 .vscode/
+.idea/
 *.iml
-
-sentry.config.json
-sentry-client.config.json
-sentry-server.config.json