initialize a multitasking framework

docs/developers/020_new_project.md

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+# Create New Project
+
+## PlatformIO
+
+1. Open VSCodium.
+
+2. Click on the **Alien Head** (ant head) icon of the PlatformIO in the left Activity bar.
+Continue clicking on "Create New Project", PlatformIO Core -- **PIO Home** opens.
+
+3. Again, press the button **+ New Project** and fill in the *Name* of the new project, e.g. `FoxMesh`.
+
+4. Select the board `TTGO LoRa32-OLED v2.1.6`
+
+5. Choose the Framework either `Arduino` or `Espidf`, we select `Espidf` i.e. **ESP-IDF**.
+
+6. We do not use the default location but `$HOME/github/FoxMesh`.
+
+
+