Add serial python3 module

Fixes #23, needed for esptool

Author: A6GibKm

cc.arduino.arduinoide.json

@@ -356,6 +356,7 @@
                     "dest": "build/ant"
                 }
             ]
-        }
+        },
+        "python3-serial.json"
     ]
 }

python3-serial.json

@@ -0,0 +1,29 @@
+{
+    "name": "python3-serial",
+    "buildsystem": "simple",
+    "build-commands": [
+        "pip3 install --exists-action=i --no-index --find-links=\"file://${PWD}\" --prefix=${FLATPAK_DEST} \"serial\""
+    ],
+    "sources": [
+        {
+            "type": "file",
+            "url": "https://files.pythonhosted.org/packages/45/0b/38b06fd9b92dc2b68d58b75f900e97884c45bedd2ff83203d933cf5851c9/future-0.18.2.tar.gz",
+            "sha256": "b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"
+        },
+        {
+            "type": "file",
+            "url": "https://files.pythonhosted.org/packages/64/c2/b80047c7ac2478f9501676c988a5411ed5572f35d1beff9cae07d321512c/PyYAML-5.3.1.tar.gz",
+            "sha256": "b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"
+        },
+        {
+            "type": "file",
+            "url": "https://files.pythonhosted.org/packages/f5/c7/06b5938e79a09112a256f26a1ae0551b04bc6aafcb71fd7ee2390c2c54c6/iso8601-0.1.13-py2.py3-none-any.whl",
+            "sha256": "694be0743e9f1535ea873bfc7bd6fb62380c62b75822761859428073a17fd39c"
+        },
+        {
+            "type": "file",
+            "url": "https://files.pythonhosted.org/packages/1f/51/6a260c498162c37d0759f3759b7647a10d8d30caba1cfc9aa4b5b1f0d08b/serial-0.0.97-py2.py3-none-any.whl",
+            "sha256": "e887f06e07e190e39174b694eee6724e3c48bd361be1d97964caef5d5b61c73b"
+        }
+    ]
+}