Adding definition.json after review
diff --git a/cells/endcap/definition.json b/cells/endcap/definition.json
new file mode 100644
index 0000000..b9dbdb1
--- /dev/null
+++ b/cells/endcap/definition.json
@@ -0,0 +1,23 @@
+{
+ "description": "row end closure cell",
+ "file_prefix": "gf180mcu_fd_sc_mcu9t5v0__endcap",
+ "library": "gf180mcu_fd_sc_mcu9t5v0",
+ "name": "endcap",
+ "parameters": [],
+ "ports": [
+ [
+ "power",
+ "VDD",
+ "input",
+ "supply1"
+ ],
+ [
+ "power",
+ "VSS",
+ "input",
+ "supply0"
+ ]
+ ],
+ "type": "cell",
+ "verilog_name": "gf180mcu_fd_sc_mcu9t5v0__endcap"
+}
\ No newline at end of file