feat: add initial Rust spam detection module with isspam and risspam variants

Implement core spam analysis functions including content cleaning, sentence splitting, capitalized word detection, and forbidden word filtering across three Rust source files with nightly let_chains feature

12bitfloat_rust/risspam/target/release/.fingerprint/risspam-588b7c16f8fda172/bin-risspam

@@ -0,0 +1 @@
+bcbff30c781130f6

12bitfloat_rust/risspam/target/release/.fingerprint/risspam-588b7c16f8fda172/bin-risspam.json

@@ -0,0 +1 @@
+{"rustc":7959095874983568062,"features":"[]","declared_features":"[]","target":10519780086885261595,"profile":18277820415669657429,"path":10602529704205407992,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"release/.fingerprint/risspam-588b7c16f8fda172/dep-bin-risspam","checksum":false}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

12bitfloat_rust/risspam/target/release/.fingerprint/risspam-588b7c16f8fda172/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

12bitfloat_rust/risspam/target/release/.fingerprint/risspam-edd96cae17e7d87c/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

12bitfloat_rust/risspam/target/release/.fingerprint/risspam-edd96cae17e7d87c/output-bin-risspam

@@ -0,0 +1,3 @@
+{"$message_type":"diagnostic","message":"`#![feature]` may not be used on the stable release channel","code":{"code":"E0554","explanation":"Feature attributes are only allowed on the nightly release channel. Stable or\nbeta compilers will not comply.\n\nErroneous code example:\n\n```ignore (depends on release channel)\n#![feature(lang_items)] // error: `#![feature]` may not be used on the\n                        //        stable release channel\n```\n\nIf you need the feature, make sure to use a nightly release of the compiler\n(but be warned that the feature may be removed or altered in the future).\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":23,"line_start":1,"line_end":1,"column_start":1,"column_end":24,"is_primary":true,"text":[{"text":"#![feature(let_chains)]","highlight_start":1,"highlight_end":24}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0554]\u001b[0m\u001b[0m\u001b[1m: `#![feature]` may not be used on the stable release channel\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:1:1\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m#![feature(let_chains)]\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^^^^^^^^^^^^^^^^^\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"aborting due to 1 previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to 1 previous error\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"For more information about this error, try `rustc --explain E0554`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0554`.\u001b[0m\n"}