Added manifest references for s2_pico and c3_mini

Author: bobvan

README.md renamed to ReadMe.md

@@ -86,6 +86,12 @@ <h1>MicroPython Easy Installer for ESP32 Family and ESP8266 MCUs</h1>
         <li>
           <label><input type="radio" name="type" value="generic4m" /> Generic 4M Flash, RAM&lt;=1M</label>
         </li>
+        <li>
+          <label><input type="radio" name="type" value="c3_mini" /> Lolin C3 Mini</label>
+        </li>
+        <li>
+          <label><input type="radio" name="type" value="s2_pico" /> Lolin S2 Pico</label>
+        </li>
         <li>
           <label><input type="radio" name="type" value="featherS2neo" /> Unexpected Maker Feather S2 Neo</label>
         </li>