adding ota+comparator

mag/user_analog_project_wrapper.mag

diff --git a/mag/user_analog_project_wrapper.mag b/mag/user_analog_project_wrapper.mag
index 96f8caa..b2e3cb4 100644
--- a/mag/user_analog_project_wrapper.mag
+++ b/mag/user_analog_project_wrapper.mag
@@ -1,7 +1,9 @@
 magic
 tech sky130B
 magscale 1 2
-timestamp 1646596575
+timestamp 1647103104
+<< error_s >>
+rect 547866 677232 548116 677427
 << dnwell >>
 rect 561940 685328 563006 686342
 << pwell >>
@@ -857,6 +859,14 @@
 timestamp 1645671873
 transform 1 0 562058 0 1 685450
 box 0 0 864 800
+use sky130_sc_ams__comparator_1  sky130_sc_ams__comparator_1_0
+timestamp 1637198379
+transform 1 0 543202 0 1 676968
+box -38 -48 4914 592
+use sky130_sc_ams__ota_1  sky130_sc_ams__ota_1_0
+timestamp 1635177953
+transform -1 0 554874 0 -1 677512
+box -38 -48 6754 592
 << labels >>
 flabel metal3 s 583520 269230 584800 269342 0 FreeSans 1120 0 0 0 gpio_analog[0]
 port 0 nsew signal bidirectional