README.md aktualisiert

Fix typos

README.md

@@ -11,12 +11,12 @@ http://ir-blaster.n39.eu
     ```
 2. esphome installieren
     ```bash
-    pip installv esphome
+    pip install esphome
     ```
 3. `secrets.yaml` anlegen:
     ```yaml
     WifiPassword: "changeme"
-    OtaPassword: "chamgeme"
+    OtaPassword: "changeme"
     ```
 4. config hochladen
     ```bash