Hardware: Initial commit with project prototype

Hardware/.gitignore

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+# For PCBs designed using Altium Designer
+# Website: https://www.altium.com/altium-designer/
+
+# Directories containing cache data
+History
+__Previews
+
+# Directories containing logs and generated outputs
+Project\ Logs*
+Project\ Outputs*
+
+# Misc files generated by altium
+debug.log
+Status\ Report.txt
+*.PcbDoc.htm
+*.SchDocPreview
+*.PcbDocPreview
+
+# Lock files sometimes left behind
+.~lock.*