add 18650 battery holder

xenua.pretty/BatteryHolder_18650_SMD.kicad_mod

@@ -0,0 +1,26 @@
+(footprint "BatteryHolder_18650_SMD" (version 20211014) (generator pcbnew)
+  (layer "F.Cu")
+  (tedit 0)
+  (attr smd)
+  (fp_text reference "REF**" (at 0 -7.75 unlocked) (layer "F.SilkS")
+    (effects (font (size 1 1) (thickness 0.15)))
+    (tstamp ba9715aa-78be-45a3-8864-8795e0dca176)
+  )
+  (fp_text value "BatteryHolder_18650_SMD" (at 0 6.5 unlocked) (layer "F.Fab")
+    (effects (font (size 1 1) (thickness 0.15)))
+    (tstamp 0abae472-232f-4489-87c5-48a61ca0aaa2)
+  )
+  (fp_text user "+ 18650 -" (at 0 0 unlocked) (layer "F.SilkS")
+    (effects (font (size 5 5) (thickness 0.7)))
+    (tstamp 6bc81297-0018-4fb3-b26f-fc0b428de066)
+  )
+  (fp_text user "might wanna not have exposed contacts on this surface" (at -0.55 -5.5 unlocked) (layer "Cmts.User")
+    (effects (font (size 1 1) (thickness 0.15)))
+    (tstamp 1775b8cb-a846-4366-b77e-2a8337fdef9c)
+  )
+  (fp_rect (start -38.65 -10.4) (end 38.65 10.4) (layer "F.SilkS") (width 0.3) (fill none) (tstamp f68c2622-99df-4035-ba23-a3f2dc7673e3))
+  (fp_line (start 1 0) (end -1 0) (layer "Dwgs.User") (width 0.12) (tstamp 84adc965-cc37-4bdb-9237-b08b9d3ec6c5))
+  (fp_line (start 0 -1) (end 0 1) (layer "Dwgs.User") (width 0.12) (tstamp 9ebf00e0-3e06-4e16-b34b-986450bb0835))
+  (pad "1" smd rect (at -40.15 0) (size 3 6) (layers "F.Cu" "F.Paste" "F.Mask") (tstamp 695031c0-c3fb-4fa7-959a-ee35b280a52c))
+  (pad "2" smd rect (at 40.15 0) (size 3 6) (layers "F.Cu" "F.Paste" "F.Mask") (tstamp 03e32e94-3e8f-4330-a258-1c8c09575828))
+)