fix(prj): add missing editorconfig

.editorconfig

@@ -0,0 +1,54 @@
+# SPDX-FileCopyrightText: 2022-2024 Temple University
+# SPDX-License-Identifier: CC0-1.0
+
+###: http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[*.org]
+indent_size=8
+indent_style=space
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{bash,sh}]
+binary_next_line = true
+simplify = true
+switch_case_indent = true
+
+[*.{php,xml}]
+indent_size = 4
+indent_style = space
+
+# Distributable configuration files
+# e.g. phpcs.xml.dist, phpstan.neon.dist
+[*.{neon,xml}.dist]
+indent_size = 4
+indent_style = space
+
+[*.{pub,txt}]
+indent_size=unset
+insert_final_newline=false
+
+[*.{diff,patch}]
+end_of_line = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset
+indent_size = unset
+
+[{LICENSES/**,LICENSE,secrets/**,keys/**}]
+end_of_line = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset
+charset = unset
+indent_style = unset
+indent_size = unset