FontStyle detection

- what is missing is combining subsequent equal elements

examples/ExamplePdf/detectBlocks.json

@@ -11,6 +11,9 @@
     {
       "name": "line"
     },
+    {
+      "name": "token types"
+    },
     {
       "name": "types"
     },

examples/ExamplePdf/detectFontStyles.json

@@ -0,0 +1,36 @@
+{
+  "pages": 6,
+  "items": 268,
+  "groupedItems": 145,
+  "changes": 0,
+  "schema": [
+    {
+      "name": "line"
+    },
+    {
+      "name": "token types"
+    },
+    {
+      "name": "x"
+    },
+    {
+      "name": "y"
+    },
+    {
+      "name": "width"
+    },
+    {
+      "name": "height"
+    },
+    {
+      "name": "str"
+    },
+    {
+      "name": "fontName"
+    },
+    {
+      "name": "dir"
+    }
+  ],
+  "globals": {}
+}

examples/ExamplePdf/detectFootnotes.json

@@ -0,0 +1,37 @@
+{
+  "pages": 6,
+  "items": 268,
+  "groupedItems": 145,
+  "changes": 0,
+  "schema": [
+    {
+      "name": "line"
+    },
+    {
+      "name": "token types",
+      "annotation": "ADDED"
+    },
+    {
+      "name": "x"
+    },
+    {
+      "name": "y"
+    },
+    {
+      "name": "width"
+    },
+    {
+      "name": "height"
+    },
+    {
+      "name": "str"
+    },
+    {
+      "name": "fontName"
+    },
+    {
+      "name": "dir"
+    }
+  ],
+  "globals": {}
+}

examples/ExamplePdf/detectHeaders.json

@@ -7,6 +7,9 @@
     {
       "name": "line"
     },
+    {
+      "name": "token types"
+    },
     {
       "name": "types"
     },

examples/ExamplePdf/detectListItems.json

@@ -7,6 +7,9 @@
     {
       "name": "line"
     },
+    {
+      "name": "token types"
+    },
     {
       "name": "types"
     },

examples/ExamplePdf/detectListLevels.json

@@ -10,6 +10,9 @@
     {
       "name": "line"
     },
+    {
+      "name": "token types"
+    },
     {
       "name": "types"
     },

examples/ExamplePdf/detectTOC.json

@@ -7,6 +7,9 @@
     {
       "name": "line"
     },
+    {
+      "name": "token types"
+    },
     {
       "name": "types",
       "annotation": "ADDED"