python3-web3: new package

Add a recipe for web3: a library for interacting with Ethereum.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-core/packagegroups/packagegroup-meta-python.bb

@@ -443,6 +443,7 @@ RDEPENDS:packagegroup-meta-python3 = "\
     python3-visitor \
     python3-waitress \
     python3-watchdog \
+    python3-web3 \
     python3-webcolors \
     python3-webencodings \
     python3-websocket-client \