chore(README): prepare for 1.0.0

Signed-off-by: Grigorii K. Shartsev <me@shgk.me>

README.md

@@ -3,11 +3,11 @@
   - SPDX-License-Identifier: CC0-1.0
 -->
 
-# 🖥️ Nextcloud Talk Desktop 💬
+# Nextcloud Talk Desktop
 
 [![REUSE status](https://api.reuse.software/badge/github.com/nextcloud/talk-desktop)](https://api.reuse.software/info/github.com/nextcloud/talk-desktop)
 
-> Nextcloud Talk Desktop client based on Nextcloud Talk web application bundling ✨
+> Official Nextcloud Talk Desktop client
 
 ## 📥 Install
 
@@ -32,14 +32,6 @@ All binaries are available on [Nextcloud Releases](https://github.com/nextcloud-
 - [Nextcloud Server](https://github.com/nextcloud/server) version 27 or higher.
 - [Nextcloud Talk](https://github.com/nextcloud/spreed) version 17 or higher.
 
-## 👾 Drawbacks
-
-- Currently not supported:
-  - Search ([#30](https://github.com/nextcloud/talk-desktop/issues/30))
-  - Untrusted certificate on Linux ([#23](https://github.com/nextcloud/talk-desktop/issues/23))
-- Works with limitations:
-  - File Viewer — only images and videos
-
 ## 👥 Multi-account
 
 Full multi-account currently [is not currently supported](https://github.com/nextcloud/talk-desktop/issues/7).
@@ -153,58 +145,6 @@ npm run package:mac:x64
 npm run package:windows
 ```
 
-## ✈️ Release
-
-1. Create `release/vX.Y.Z` branch.
-2. Update `CHANGELOG.md`.  
-   1. If a built-in Talk version is to be changed - add a note:
-      ```md
-      ### Build-in Talk update
-
-      Built-in Talk in binaries is updated to $(VERSION) Talk changelog: https://github.com/nextcloud/spreed/blob/master/CHANGELOG.md
-      ```
-3. Update `package.json`:
-   - For minor update:
-     ```sh
-     npm version minor
-     ```
-   - For patch update:
-     ```sh
-     npm version patch
-     ```
-4. Create **a release PR**.
-5. Merge **the release PR**.
-6. Create and push **a tag**:
-   ```sh
-   git tag -a v$(version) -m "Tagging the $(version) release."
-   git push origin v$(version)
-   git push releases v$(version)
-   ```
-7. **Draft a new release** on GitHub in [nextcloud-releases/talk-desktop](https://github.com/nextcloud-releases/talk-desktop/releases)
-   1. Add **release title**: `v$(version) - Talk v$(talkVersion)`, e.g. `v0.10.0 - Talk v17.1.0-rc.1`
-   2. Choose a **tag**
-   3. Add the respective `CHANGELOG.md` section
-   4. Use the **Generate release notes** button and wrap put the result into
-      ```md
-      ## What's Changed
-
-      <details>
-        <!-- Generated content -->
-      </details>
-      ``` 
-8. **Draft a new release** on GitHub in [nextcloud/talk-desktop](https://github.com/nextcloud/talk-desktop/releases)
-   1. Copy everything from the previous step
-   2. Add:
-      ```md
-      > 📥 Download Binaries on https://github.com/nextcloud-releases/talk-desktop/releases/tag/v$(version)
-      ```
-9. Package release on each platform separately:
-   ```sh
-   npm run release:package
-   ```
-10. Upload packages to the GitHub Releases on [nextcloud-releases/talk-desktop](https://github.com/nextcloud-releases/talk-desktop/releases/lastest)
-11. Publish both releases on GitHub Releases
-
 ## 👥 Contribution Guidelines
 
 See: https://github.com/nextcloud/spreed#contribution-guidelines