MAJOR: Project rename and preparation for v1.0.0

I hope I haven't missed any for the renames!

lua/outline/hover.lua

@@ -0,0 +1,48 @@
+local so = require 'outline'
+local cfg = require 'outline.config'
+local util = vim.lsp.util
+
+local M = {}
+
+local function get_hover_params(node, winnr)
+  local bufnr = vim.api.nvim_win_get_buf(winnr)
+  local fn = vim.uri_from_bufnr(bufnr)
+
+  return {
+    textDocument = { uri = fn },
+    position = { line = node.line, character = node.character },
+    bufnr = bufnr,
+  }
+end
+
+-- handler yoinked from the default implementation
+function M.show_hover()
+  local current_line = vim.api.nvim_win_get_cursor(so.view.winnr)[1]
+  local node = so.state.flattened_outline_items[current_line]
+
+  local hover_params = get_hover_params(node, so.state.code_win)
+
+  vim.lsp.buf_request(
+    hover_params.bufnr,
+    'textDocument/hover',
+    hover_params,
+    ---@diagnostic disable-next-line: param-type-mismatch
+    function(_, result, _, config)
+      if not (result and result.contents) then
+        return
+      end
+      local markdown_lines = util.convert_input_to_markdown_lines(
+        result.contents
+      )
+      markdown_lines = util.trim_empty_lines(markdown_lines)
+      if vim.tbl_isempty(markdown_lines) then
+        return
+      end
+      -- FIXME
+      local bufnr, winnr = util.open_floating_preview(markdown_lines, 'markdown', config)
+      vim.api.nvim_win_set_option(winnr, 'winhighlight', cfg.o.preview_window.winhl)
+    end
+  )
+end
+
+return M