Add new signal generator method that only creates the PRBS

Theory/Mapping_Coding/signalgenerator_pam_ber_minimal_example.m

@@ -0,0 +1,40 @@
+% Minimal example: Signalgenerator -> PAMmapper -> demap -> BER
+
+clear; clc;
+
+repoRoot = fileparts(fileparts(fileparts(mfilename("fullpath"))));
+addpath(genpath(repoRoot));
+
+orders = [2 4 6 8];
+userOrder = 7;
+
+fprintf("PAM | bits checked | errors | BER\n");
+fprintf("----+--------------+--------+-----\n");
+
+for M = orders
+    if M == 6
+        bitsPerBlock = 5;
+    else
+        bitsPerBlock = log2(M);
+    end
+
+    bitSignal = Signalgenerator( ...
+        "form", signalform.prms, ...
+        "dimension", bitsPerBlock, ...
+        "order", userOrder).process();
+
+    if M == 6
+        txBits = reshape(bitSignal.signal.', [], 1);
+        txBits = txBits(1:end - mod(numel(txBits), bitsPerBlock));
+    else
+        txBits = bitSignal.signal;
+    end
+
+    mapper = PAMmapper(M, 0);
+    txSymbols = mapper.map(txBits);
+    rxBits = mapper.demap(txSymbols);
+
+    [checkedBits, errors, ber] = calc_ber(rxBits, txBits);
+
+    fprintf("%3d | %12d | %6d | %.1e\n", M, checkedBits, errors, ber);
+end