feat: move source files into retoor_c directory and add build echo messages

- Add echo messages for both build targets to indicate which project is being compiled
- Update isspam.c path to reflect new retoor_c/ subdirectory structure
- Keep binary output location unchanged at project root

retoor_c/totals.py

@@ -0,0 +1,41 @@
+#
+#               [USAGE]
+#
+# This quick & dirty script will summarize the output 
+# generated by the isspam application. 
+# To use, you do:
+# ./isspam ./your-content/*.txt > output.txt
+# Then you execute: python totals.py output.txt
+# - retoor
+
+import sys
+import pathlib 
+
+totals = {}
+count = 0
+with pathlib.Path(sys.argv[1]).open("r") as f:
+
+    data = f.read()
+    for line in data.split("\n"):
+        if line.startswith("<"):
+            continue
+        parts = line.split(": ")
+        if(len(parts) < 2):
+            continue
+        key = parts[0]
+        if key == "File":
+            count += 1
+        if not key in ["File","Memory usage"]: 
+            if key not in totals:
+                totals[key] = 0.0
+
+            value = float(parts[1].replace("%",""))
+            totals[key] += value
+        else:
+            value = parts[1]
+
+for key, value in totals.items():
+    print(key.count("percentage"))
+    if key.count("percentage") > 0:
+        value = value / count 
+    print(key,":",value)