chore: update models registry (#248)

some mf6 testmodels have been renamed, pull them in. will resolve mf6 test failures as seen in e.g. MODFLOW-ORG/modflow6#2579. also fix the models API docs, the --append option to the make registry command has been removed, the command is now meant to be invoked iteratively

Author: wpbonelli

docs/md/models.md

@@ -110,9 +110,9 @@ For example, to create the "default" registry of models in the MF6 examples and
 
 ```shell
 python -m modflow_devtools.make_registry -p ../modflow6-examples/examples --url https://github.com/MODFLOW-ORG/modflow6-examples/releases/download/current/mf6examples.zip --model-name-prefix mf6/example
-python -m modflow_devtools.make_registry -p ../modflow6-testmodels/mf6 --append --url https://github.com/MODFLOW-ORG/modflow6-testmodels/raw/master/mf6 --model-name-prefix mf6/test
-python -m modflow_devtools.make_registry -p ../modflow6-largetestmodels --append --url https://github.com/MODFLOW-ORG/modflow6-largetestmodels/raw/master --model-name-prefix mf6/large
-python -m modflow_devtools.make_registry -p ../modflow6-testmodels/mf5to6 --append --url https://github.com/MODFLOW-ORG/modflow6-testmodels/raw/master/mf5to6 --model-name-prefix mf2005 --namefile "*.nam"
+python -m modflow_devtools.make_registry -p ../modflow6-testmodels/mf6 --url https://github.com/MODFLOW-ORG/modflow6-testmodels/raw/master/mf6 --model-name-prefix mf6/test
+python -m modflow_devtools.make_registry -p ../modflow6-largetestmodels --url https://github.com/MODFLOW-ORG/modflow6-largetestmodels/raw/master --model-name-prefix mf6/large
+python -m modflow_devtools.make_registry -p ../modflow6-testmodels/mf5to6 --url https://github.com/MODFLOW-ORG/modflow6-testmodels/raw/master/mf5to6 --model-name-prefix mf2005 --namefile "*.nam"
 ```
 
 As a shortcut to create the default registry, the script can be run with no arguments: `python -m modflow_devtools.make_registry`.

modflow_devtools/registry/examples.toml

@@ -59,20 +59,20 @@ ex-gwf-csub-p02b = [
     "mf6/example/ex-gwf-csub-p02b",
 ]
 ex-gwf-csub-p02c = [
-    "mf6/example/ex-gwf-csub-p02c/hb-020",
-    "mf6/example/ex-gwf-csub-p02c/hb-100",
-    "mf6/example/ex-gwf-csub-p02c/hb-010",
+    "mf6/example/ex-gwf-csub-p02c/hb-005",
     "mf6/example/ex-gwf-csub-p02c/es-020",
-    "mf6/example/ex-gwf-csub-p02c/es-005",
+    "mf6/example/ex-gwf-csub-p02c/es-001",
+    "mf6/example/ex-gwf-csub-p02c/hb-002",
     "mf6/example/ex-gwf-csub-p02c/es-010",
+    "mf6/example/ex-gwf-csub-p02c/es-100",
+    "mf6/example/ex-gwf-csub-p02c/es-002",
+    "mf6/example/ex-gwf-csub-p02c/hb-100",
     "mf6/example/ex-gwf-csub-p02c/hb-050",
+    "mf6/example/ex-gwf-csub-p02c/hb-010",
     "mf6/example/ex-gwf-csub-p02c/hb-001",
-    "mf6/example/ex-gwf-csub-p02c/es-001",
-    "mf6/example/ex-gwf-csub-p02c/es-002",
+    "mf6/example/ex-gwf-csub-p02c/hb-020",
     "mf6/example/ex-gwf-csub-p02c/es-050",
-    "mf6/example/ex-gwf-csub-p02c/es-100",
-    "mf6/example/ex-gwf-csub-p02c/hb-002",
-    "mf6/example/ex-gwf-csub-p02c/hb-005",
+    "mf6/example/ex-gwf-csub-p02c/es-005",
 ]
 ex-gwf-csub-p03a = [
     "mf6/example/ex-gwf-csub-p03a",