website: add docs to website (#2080)

* website: add fontmatter & improve image URLs where necessary

* website: add docs to website

* website: add prismjs for code highlighting

* website: change npm install position in web.sh

* website: fix an image URL in lang/cs/README.md

* website: improve image paths in lang/cs/translations.md

* website: add responsiveness & improve stylings of docs

* website: add dir to navbar in blog & docs

* website: remove scroll in mobile dropdown menu

* website: remove rfcs & add guide docs to website

* website: remove file renaming script from web.sh

* website: add menu to docs in nav

* website: add hash list & add scroll to headers

* website: customize docs frontmatter through JS

* website: remove supported_languages.json

* website: move merge_translations.js to JS folder

* website: add the following changes to docs
- add frontmatter to new doc merged from master
- add ignoreForWeb property to frontmatter of README.md docs

* website: remove package-lock.json from .gitignore

* website: add package-lock.json from .gitignore

* website: add no docs message to docs dropdown

* website: improve the sidebar of docs

* website: add revision date to docs

* website: add script to add version to docs frontmatter

* website: add layout to display message in docs if its version is old

* website: improve nav responsiveness

* website: remove frontmatter form main README & rfcs

* website: remove rfcs from website folder

* website: add ignore condition for rfcs in .eleventy

* website: remove frontmatter from lang README docs

* website: remove README from website's lang docs

* website: add guides menu in nav

* website: following changes
- add docs_dropdown.json
- extend reference menu in nav
- remove docs menu from nav

* website: fix in docs sidebar

* website: revert main docs README.md files

* website: revert main docs README.md files

* website: move scripts out of js that are for build

* website: remove displayAt form guide docs

* website: create a docs_sidebar.json & shift to that approach

* update navigation

* website: set navbar

* website: add icons to external links

* website: change the approach for docs sidebar creation

* website: update docs template

* website: add some strings to en.json and map them accordingly

* remove icon

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

docs/guide/README.md

@@ -1,3 +1,6 @@
+---
+title: Quick start
+---
 # SimpleX Chat User Guide
 
 The first messaging platform that has no user identifiers of any kind — 100% private by design.

docs/guide/app-settings.md

@@ -1,3 +1,6 @@
+---
+title: App settings
+---
 # App settings
 
 ## Opening the app settings

docs/guide/audio-video-calls.md

@@ -1,3 +1,6 @@
+---
+title: Audio & video Calls
+---
 # Audio and Video Calls
 
 SimpleX Chat allows you to make end-to-end encrypted audio and video calls with your contacts via WebRTC. Note: Group calls are not supported at this time.

docs/guide/chat-profiles.md

@@ -1,3 +1,6 @@
+---
+title: Chat profiles
+---
 # Your chat profiles
 
 ## Creating additional chat profiles

docs/guide/making-connections.md

@@ -1,3 +1,6 @@
+---
+title: Making connections
+---
 # Connect to somebody in the chat
 
 _Work in progress_

docs/guide/managing-data.md

@@ -1,3 +1,6 @@
+---
+title: Managing data
+---
 # Managing Your Data
 
 ## Automatic message deletion

docs/guide/privacy-security.md

@@ -1,3 +1,6 @@
+---
+title: Privacy & security
+---
 # Privacy and Security
 
 SimpleX Chat default configuration aims to balance privacy, security and convenience. You may want to change the default options.

docs/guide/secret-groups.md

@@ -1,3 +1,6 @@
+---
+title: Secret groups
+---
 # Secret groups
 
 Secret groups are anonymous and private, they are designed to be hard to track by outsiders. Every message and file gets sent separately to every member in the group, which makes secret groups only fit for smaller groups.

docs/guide/send-messages.md

@@ -1,3 +1,6 @@
+---
+title: Sending messages
+---
 # Sending, editing and deleting messages
 
 Sending text messages on SimpleX Chat is pretty straightforward, tap on your contact and then tap on text area, type in your message and tap on "Send" button.